Allow PeerConnection to be garbage collected after close().

Source/modules/mediastream/RTCVoidRequestImpl.cpp

Index: Source/modules/mediastream/RTCVoidRequestImpl.cpp
diff --git a/Source/modules/mediastream/RTCVoidRequestImpl.cpp b/Source/modules/mediastream/RTCVoidRequestImpl.cpp
index f8422d76e3740a6b608caeef9e56a31afb1c61b7..bde034cfd0cc02bddac7ad66d61272ac6d9def54 100644
--- a/Source/modules/mediastream/RTCVoidRequestImpl.cpp
+++ b/Source/modules/mediastream/RTCVoidRequestImpl.cpp
@@ -38,27 +38,32 @@
 
 namespace WebCore {
 
-PassRefPtr<RTCVoidRequestImpl> RTCVoidRequestImpl::create(ExecutionContext* context, PassOwnPtr<VoidCallback> successCallback, PassOwnPtr<RTCErrorCallback> errorCallback)
+PassRefPtr<RTCVoidRequestImpl> RTCVoidRequestImpl::create(ExecutionContext* context, RTCPeerConnection* requester, PassOwnPtr<VoidCallback> successCallback, PassOwnPtr<RTCErrorCallback> errorCallback)
 {
-    RefPtr<RTCVoidRequestImpl> request = adoptRef(new RTCVoidRequestImpl(context, successCallback, errorCallback));
+    RefPtr<RTCVoidRequestImpl> request = adoptRef(new RTCVoidRequestImpl(context, requester, successCallback, errorCallback));
     request->suspendIfNeeded();
     return request.release();
 }
 
-RTCVoidRequestImpl::RTCVoidRequestImpl(ExecutionContext* context, PassOwnPtr<VoidCallback> successCallback, PassOwnPtr<RTCErrorCallback> errorCallback)
+RTCVoidRequestImpl::RTCVoidRequestImpl(ExecutionContext* context, RTCPeerConnection* requester, PassOwnPtr<VoidCallback> successCallback, PassOwnPtr<RTCErrorCallback> errorCallback)
     : ActiveDOMObject(context)
     , m_successCallback(successCallback)
     , m_errorCallback(errorCallback)
+    , m_requester(requester)
 {
+    ASSERT(m_requester);
 }
 
 RTCVoidRequestImpl::~RTCVoidRequestImpl()
 {
+    if (m_requester)
+        m_requester->requestCompletedCheckIfCallbackShouldFire();
 }
 
 void RTCVoidRequestImpl::requestSucceeded()
 {
-    if (m_successCallback)
+    bool shouldFireCallback = m_requester ? m_requester->requestCompletedCheckIfCallbackShouldFire() : true;
+    if (shouldFireCallback && m_successCallback)
         m_successCallback->handleEvent();
 
     clear();
@@ -66,7 +71,8 @@ void RTCVoidRequestImpl::requestSucceeded()
 
 void RTCVoidRequestImpl::requestFailed(const String& error)
 {
-    if (m_errorCallback.get())
+    bool shouldFireCallback = m_requester ? m_requester->requestCompletedCheckIfCallbackShouldFire() : true;
+    if (shouldFireCallback && m_errorCallback.get())
         m_errorCallback->handleEvent(error);
 
     clear();
@@ -74,6 +80,8 @@ void RTCVoidRequestImpl::requestFailed(const String& error)
 
 void RTCVoidRequestImpl::stop()
 {
+    if (m_requester)
+        m_requester->requestCompletedCheckIfCallbackShouldFire();
     clear();
 }
 
@@ -81,6 +89,7 @@ void RTCVoidRequestImpl::clear()
 {
     m_successCallback.clear();
     m_errorCallback.clear();
+    m_requester = 0;
 }
 
 } // namespace WebCore